Process for preparing famciclovir

摘要

The invention provides a process for making famciclovir, comprising reacting 9-[4-acetoxy-3-(acetoxymethyl)but-1-yl]-2-amino-6-chloropurine (Cl-FMC) with a palladium on charcoal catalyst in water and ammonium formate. The invention also provides methods of treating viral diseases by administering the famciclovir prepared according to the above process.